Holidays and Observances
Alphabetical Listing of Holidays

Below, you can find a Holidays and Observances Alphabetical Listing (Page 1) of US Holidays and World Holidays and Observances. Page 1 includes Holidays starting with A.  Originally we had our Alphabetical Listing on two pages, but with over 4,000 Holidays and Observances, we finally had to break the pages down by letter. We are still adding names to the list, so more information will be coming. 

After we complete the summary pages on the site, we will start working on a detailed page(s) for each Holidays and Observance. Once a page is completed for each Holiday or Observance, it will be linked up below, as well as it's related Daily Holidays page. (that should keep us busy for the next 20 years or so!!)

Search for Holidays Alphabetically:

A, B, C, D, E, F, G, H, I, J, K, L, M, N, N-Pg2 O, P, Q, R, S, T, U, V, W, X-Y-Z


Adopt a Dog!

Adopt a Dog Month and Adopt a Shelter Dog Month are both observed in the Month of October! This beauty is Leedo who was found in an alley, alone and hungry and terrified of everything and everyone, especially men. Rescued by my daughter!


A

  • 4/20 Day - April 20 (also known as National Pot Smokers Day or National Weed Day)
  • 40-Hour Work Week Day - October 24
  • 4-H Week - October 3-9, 2021
  • AAPI Women's Equal Pay Day - March 9
  • Abet and Aid Punsters Day - November 8
  • Abilities Day - December 22
  • Absolutely Incredible Kid Day - March 18, 2021 (Third Thursday in March)
  • Abused Women's and Children's Awareness Day - June 13, 2021 (Second Sunday in June)
  • Academy Awards Month - March
  • Academy Awards Ceremony -  April 25, 2021
  • Accelerate ACL Awareness Among Young Women Day - April 5
  • Accounting Day - October 25, 2021
  • Act Happy Day - March 15, 2021 (Third Monday in March)
  • Act Happy Week - March 15-21, 2021 (Starts on Third Monday in March)
  • Active Aging Week - October 4-10, 2021 (Last Full Week of September, or the first week of October to coincide with the International Day of Older Persons on October 1)
  • Actor's Day - November 13
  • Ada Lovelace Day - October 12, 2021 (Second Tuesday of October)
  • Addiction Awareness Month - November
  • Administrative Professional's Day - April 21, 2021 (The Wednesday of the last full week of April)
  • Administrative Professional's Week - April 18-24, 2021 (Last Week of April)
  • Admit You're Happy Month - August 
  • Adopt a Cat Month - June
  • Adopt a Dog Month - October
  • Adopt a Ferret Month - April
  • Adopt a Less Adoptable Pet Week - September 19-25, 2021 (Last Full Week in September)
  • Adopt a Rescued Bird Month - January
  • Adopt a Rescued Guinea Pig Month - March
  • Adopt a Rescued Rabbit Month - Month of February and July
  • Adopt a Senior Pet Month - November
  • Adopt a Shelter Cat Month - June
  • Adopt a Shelter Dog Month - October
  • Adopt a Turkey Month - November
  • Advent - November 28 - December 24, 2021
  • Advent Sunday - November 28, 2021 (Fourth Sunday Prior to Christmas Day)
  • AFL-CIO Day - December 5
  • Africa Industrialization Day - November 20
  • African-American Coaches Day - February 2, 2021 (First Tuesday in February)
  • African-American History Month - February
  • African-American Music Appreciation Month - June
  • African Heritage & Health Week - February 1-7
  • African Industrialization Day - November 20
  • African Liberation Day - May 25
  • AFRMA Fancy Rat & Mouse Day - November 12
  • Ag Day, Celebrating Our Bountiful Food Supply - March 15
  • Agent Orange Awareness Month - October
  • Agriculture Week - First Week of February
  • AIDS Awareness Month, PPSI - November
  • Air Conditioning Appreciation Days - July 3 - August 15
  • Air Conditioning Appreciation Month - July
  • Air Day - November 11
  • Air Quality Awareness Week - May 3-7, 2021
  • AKC National Agility Championship - March 26-28, 2021
  • AKC National Championship - December 18-19, 2021
  • AKC Responsible Dog Ownership Day - September 16, 2021
  • AKC Responsible Dog Ownership Month - September
  • Alascattalo Day - November 21
  • Alaska Day - October 18
  • Albuquerque International Balloon Fiesta - October 2-10, 2021
  • Alcohol Awareness Month - April
  • Alcoholics Anonymous (Founders Day) - June 10
  • Alcohol & Other Drug-Related Birth Defects Week - Third Week in May
  • Alexander Graham Bell Day - March 7
  • Alice in Wonderland Day - July 4
  • All American Breakfast Month - September
  • All Saint's Day - November 1
  • All Soul's Day - November 2
  • Allantide - October 30, 2021 - (Closest Saturday to Halloween)
  • Alopecia Month for Women - July
  • Alport Syndrome Awareness Month - March
  • Alvin C. York Day - October 8
  • Alzheimer's & Brain Awareness Month - June
  • Alzheimer's Awareness Month - November
  • Alzheimer's Disease and Dementia Staff Education Week - February 14-21
  • Amateur Radio Military Appreciation Day (ARMAD) - May 29, 2021 (Saturday of Memorial Day Weekend)
  • Amateur Radio Week - June 21-27, 2021 (7 days ending with Field Day)
  • AMD / Low Vision Awareness Month - February
  • Amelia Earhart Day - July 24 which is her birthday
  • America on the Move - Month of Action - September
  • America Recycles Month - November
  • America Saves Week - February 22-27, 2021 (6 Days Starting on the Last Monday in February)
  • America the Beautiful Week - June 6-12, 2021 (First Full Week of June)
  • American Adventures Month - August
  • American Artists Appreciation Month - August
  • American Association For the Advancement of Science Week  - February 8-11, 2021
  • American Camp Week - February 2-4, 2021
  • American Cheese Month - May and October
  • American Chocolate Week - March 21-27, 2021 (Third Week of March)
  • American Circus Day - April 3
  • American Council on Education - March 20-22, 2021
  • American Craft Beer Week - May 17-23, 2021 (Fourth Week in May)
  • American Crossword Puzzle Week - April 23-25, 2021
  • American Diabetes Alert Month - March
  • American Diabetes Association Alert Day - March 23, 2021 (Fourth Tuesday in March)
  • American Diabetes Month - November
  • American Education Week - November 15-19, 2021 (Third M-F week of November)
  • American Enterprise Day - November 15
  • American Family Day - August 1, 2021 (First Sunday in August)
  • American Fancy Rat & Mouse Day - April 22-24, 2021
  • American Football Day - November 5
  • American Frog Day - November 10
  • American Heart Month - February
  • American History Essay Contest Month - August
  • American History Month - February
  • American Immigration Lawyers Association Day of Action - April 22, 2021
  • American Indian Awareness Week - April 5-9, 2021
  • American Indian Citizenship Day - June 2
  • American Indian Day - May 8, 2021 (Second Saturday in May)
  • American Indian Heritage Month - Month of August and November
  • American Libraries Day - October 6
  • American Made Matters Day - November 19
  • American Magazine Month - October
  • American Massage Therapy Week - October 24-30, 2021
  • American Pharmacists Month - October
  • American Quilters Society Week - April 21-24, 2021
  • American Recycles Day - November 15
  • American Red Cross Founder's Day - May 21
  • American Red Cross Giving Day - March 24, 2021 (Fourth Wednesday in March)
  • American Red Cross Month - March
  • American Sand Sculpting Competition - November 19-28, 2021
  • American Touch Tag Day - October 8
  • American Wetlands Month - May
  • Americans with Disabilities Day - July 26
  • America's Kids Day - June 27, 2021 (Fourth Sunday of June)
  • Amnesty International Day - May 28
  • Ancestor Appreciation Day - September 27
  • Animal Cruelty / Human Violence Awareness Week - April 18-24, 2021  (Third Full Week in April)
  • Animal Pain Awareness Month - September
  • Animal Rights Awareness Week - June 20-26, 2021
  • Animal Welfare Week - First Full Week of October
  • Ann & Samantha Day - June 20, 2021 and December 21, 2021 (Day of the Summer and Winter Solstice) 
  • Anne Hutchinson Memorial Day - July 18, 2021 (On a Sunday either before or after her birthday on 7/20)
  • Anniversary of the Army Chaplain Corps - July 29
  • Annoy Squidward Day - February 15 (Sponge Bob Square Pants)
  • Antarctica Day - December 1
  • Anti Boredom Month - July
  • Anti-Bullying Day - May 4
  • Antidepressant Death Awareness Month - October
  • Antiphospholipid Antibody Syndrome Awareness Month - June
  • APAWS International Pooper Scooper Week - April 1-7
  • Aphasia Awareness Week - Second Week of June
  • Apple and Apricots Month - January
  • Apple Day - October 21
  • Apple Month - September
  • Appreciate Your Social Security Check Day - January 31
  • Aquarium Month - June
  • Arab American Heritage Month - April
  • Arabic Language Day - December 18
  • Arbor Day - April 30, 2021 (Last Friday in April)
  • Area Code Day - November 10
  • Armed Forces Day - May 15, 2021 (Third Saturday in May)
  • Armed Forces Day Military-Amateur Crossband Communications Day - May 23, 2020 (2021 TBD)
  • Armed Forces Unification Day - July 26
  • Armed Forces Week - May 9-15, 2021
  • Armenian Appreciation Day - April 3
  • Armenian Genocide Remembrance Day - April 24
  • Armistice Day - November 11 Anniversary 
  • Army Chaplain Corps Anniversary - July 29
  • ARRL (American Radio Relay League) Field Day - June 26-27, 2021 (Fourth Full Weekend in June)
  • ARRR-Gust: International Pirate Month - August
  • Arson Awareness Week - May 2-8, 2021 (First full week in May)
  • Arthritis Awareness Month - May
  • Artichoke and Asparagus Month - January
  • Asarah B'Tevet - December 14, 2021 
  • Ascension Day  (of Jesus) - May 13, 2021 (movable date)
  • Ascension of Baja'u'Llah - Evening of May 28 to Evening of May 29, 2021
  • Asexuality Week - October 25-31, 2020 (Now being called Ace Week) (2021 TBA)
  • Ash Wednesday - February 17, 2021 (movable date - First Day of Lent)
  • Ashura - Evening of August 18 to Evening of August 19, 2021
  • Asian-American and Pacific Islander Heritage Month - May
  • Asiatic Fleet Memorial Day - March 1
  • Ask A Stupid Question Day - September 30, 2021 (Last School Day of September)
  • ASPCA Day (American Society for the Prevention of Cruelty to Animals) - April 10
  • Assistance Dog Day - August 2, 2021 (Monday of International Assistance Dog Week)
  • Assumption of the Blessed Virgin Mary - August 15 (Catholic)
  • Asthma Awareness Month - May
  • Astronomy Day (Fall) - October 9, 2021
  • Astronomy Day (Spring) - May 15, 2021 (a Saturday from mid-April to mid May, on or before 1st quarter moon)
  • Atlantic Hurricane Season Starts - June 1
  • Attention Deficit Hyperactivity Disorder Month - September
  • Auctioneers Day - April 17, 2021 (Third Saturday of April)
  • Audiobook Appreciation Month - June
  • Aunties Day - July 25, 2021 (Fourth Sunday in July)
  • Aunt's Day - September 11, 2021 (First Saturday After Labor Day)
  • Autism Awareness Month - April
  • Autism Sunday - also known as International Day of Prayer for Autism and Asperger's Syndrome - February 14, 2021 (Second Sunday in February)
  • Autistic Speaking Day - November 1
  • Aviation History Month - November
  • Aviation Maintenance Technician Day - May 24
  • Avocado and Banana Month - February
  • Awareness of Medical Orphans Month - May

Search for Holidays Alphabetically:

A, B, C, D, E, F, G, H, I, J, K, L, M, N, N-Pg2 O, P, Q, R, S, T, U, V, W, X-Y-Z


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